Corridor 9/495 will stamp Certificates of Origin for products made in the United States for our member businesses. A Certificate of Origin is a document attesting that goods in a particular export shipment are wholly obtained, produced, manufactured or processed in a particular country. This is a free service available to our member businesses. Non-members pay $50 per time for this service. Please contact our office at 508-836-4444 or stop in Mon-Fri 9am-5pm. 30 Lyman Street, Suite Six, Westborough, MA.